找到maven目录或.m2下的settings.xml,打开后在mirrors节点添加如下命令
<settings>
<mirror>
<id>alimaven</id>
<name>aliyun maven</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<!--mirrorOf>central</mirrorOf-->
<mirrorOf>*</mirrorOf>
</mirror>
</settings>